Bart Grantham wrote:
> a long story short: we're experiencing Xeons as 50% slower than
> Opterons, even when the Xeon has twice as much cache and a slight
> clock speed advantage.
> tests I finally took the final leap: just pull the disks and throw
> them in a newer Opteron chassis (2.8GHz, 1M cache). And whaddya
> know? It's got a 20% speed edge on the older Opteron, and blows away
> the performance of the newer Xeons.
But is the difference in cpu or disk?
Do the two machines get a similar disk transfer rate?
Same raid card and disks in both machines, do they get the same MB/Sec?
(as opposed to on-board controllers)
--
Shane Ambler
pgSQL (at) Sheeky (dot) Biz
Get Sheeky @ http://Sheeky.Biz
